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sh_ntfork(): handle SIGTSTP along with SIGTTIN and SIGTTOU

Browse source 
This applies a patch from OpenSUSE that makes SIGTSTP handling
consistent with that of SIGTTIN and SIGTTOU.
https://build.opensuse.org/package/view_file/shells/ksh/ksh93-signals.dif
This commit is contained in:
Martijn Dekker 2021-02-02 04:25:46 +00:00
parent 8a58166bc4
commit fa3a3d7955
1 changed files with 10 additions and 0 deletions
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10
src/cmd/ksh93/sh/xec.c
View file

@ -3573,6 +3573,7 @@ static pid_t sh_ntfork(Shell_t *shp,const Shnode_t *t,char *argv[],int *jobid,in
{ {
signal(SIGTTIN,SIG_DFL); signal(SIGTTIN,SIG_DFL);
signal(SIGTTOU,SIG_DFL); signal(SIGTTOU,SIG_DFL);
signal(SIGTSTP,SIG_DFL);
} }
#endif /* SIGTSTP */ #endif /* SIGTSTP */
#ifdef JOBS #ifdef JOBS
@ -3610,6 +3611,10 @@ static pid_t sh_ntfork(Shell_t *shp,const Shnode_t *t,char *argv[],int *jobid,in
{ {
signal(SIGTTIN,SIG_IGN); signal(SIGTTIN,SIG_IGN);
signal(SIGTTOU,SIG_IGN); signal(SIGTTOU,SIG_IGN);
if(sh_isstate(SH_INTERACTIVE))
signal(SIGTSTP,SIG_IGN);
else
signal(SIGTSTP,SIG_DFL);
} }
#endif /* SIGTSTP */ #endif /* SIGTSTP */
if(spawnpid>0) if(spawnpid>0)
@ -3695,6 +3700,7 @@ static pid_t sh_ntfork(Shell_t *shp,const Shnode_t *t,char *argv[],int *jobid,in
{ {
signal(SIGTTIN,SIG_DFL); signal(SIGTTIN,SIG_DFL);
signal(SIGTTOU,SIG_DFL); signal(SIGTTOU,SIG_DFL);
signal(SIGTSTP,SIG_DFL);
jobwasset++; jobwasset++;
} }
#endif /* SIGTSTP */ #endif /* SIGTSTP */
@ -3758,6 +3764,10 @@ static pid_t sh_ntfork(Shell_t *shp,const Shnode_t *t,char *argv[],int *jobid,in
{ {
signal(SIGTTIN,SIG_IGN); signal(SIGTTIN,SIG_IGN);
signal(SIGTTOU,SIG_IGN); signal(SIGTTOU,SIG_IGN);
if(sh_isstate(SH_INTERACTIVE))
signal(SIGTSTP,SIG_IGN);
else
signal(SIGTSTP,SIG_DFL);
} }
#endif /* SIGTSTP */ #endif /* SIGTSTP */
if(sigwasset) if(sigwasset)